Calculating of the heat dissipation of a LED - Physics Forums
Jun 1, 2022 · The discussion focuses on calculating the heat dissipation of a Seoul Semiconductor LED (model SZ5-M3-W0-00) with a luminous efficacy of 157 lm/W at 700 mA. Participants emphasize that …
How many LED's are in a typical LED monitor? - Physics Forums
May 19, 2010 · A typical LED monitor utilizes LEDs primarily as a backlight rather than as individual pixels. In a 20-inch or 24-inch LED monitor, the backlight configuration can consist of several …
Observing Emission Spectra from Computer Screens - Physics Forums
Dec 4, 2021 · This discussion focuses on the observation of emission spectra from computer screens using a DIY spectroscope. It confirms that LED screens emit light through narrow bands, while TFT …
How Do Optical Mice Detect Movement? - Physics Forums
Jan 18, 2006 · Laser-based optical mice offer enhanced surface detail detection compared to traditional LED mice, allowing for broader usability across various surfaces. This process occurs rapidly, …
How to turn on & off an LED continously for 1 second?
May 17, 2012 · The discussion revolves around methods to turn an LED on and off continuously for 1 second, focusing on simple electronic circuits rather than microcontrollers. Participants explore …
Strange glow from TV that is off. - Physics Forums
Jul 9, 2004 · The discussion centers on a phenomenon where a turned-off TV and nearby incandescent light bulbs exhibit a bluish glow. This glow is attributed to phosphorescence, where light sources …
My TV Cracks: Is It Heat or Discharge? - Physics Forums
Mar 11, 2016 · When you say flat screen, it doesn't mean much. Do you mean LCD, or Plasma, or flat face CRT. If it is LCD, is it LED backlight, or CCFL. (CCFL is high voltage) CRT based systems will …
In this experiment, you will use light emitting diodes (LED’s) to measure Planck's constant. You should be familiar with semiconductors and diodes from Modern Physics. To review: LED’s are …
Collimating image from an LCD display • Physics Forums
Sep 10, 2016 · Light holder (led stripped off that torch, maybe with its lens, maybe without), lens holder, screen holdr, another lens holder (may be needed), reflector/combiner. Need to calculate curvature …
What is causing the strange light phenomenon in my bedroom?
May 4, 2016 · The strange light phenomenon observed in the bedroom is attributed to the interaction of light with the television screen and the mirror behind the bed. The pixels on the TV act as a …